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BLAIR WILLIAM & CO/IL: MDY position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on MDY, newest first. How the timeline and the estimate are built.

BLAIR WILLIAM & CO/IL held 76,091 MDY shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 76,091 shares
    Change vs previous 13F +414 shares

    0.14% of the 13F portfolio, value $53,517,526.

    13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 75,677 shares
    Change vs previous 13F +309 shares

    0.13% of the 13F portfolio, value $46,674,837.

    13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 75,368 shares
    Change vs previous 13F -1,733 shares

    0.12% of the 13F portfolio, value $45,467,997.

    13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 77,101 shares
    Change vs previous 13F -1,265 shares

    0.12% of the 13F portfolio, value $45,954,297.

    13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 78,366 shares
    Change vs previous 13F +2,685 shares

    0.12% of the 13F portfolio, value $44,392,748.

    13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 75,681 shares
    Change vs previous 13F +6,561 shares

    0.12% of the 13F portfolio, value $40,374,183.

    13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 69,120 shares
    Change vs previous 13F -359 shares

    0.11% of the 13F portfolio, value $39,369,570.

    13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 69,479 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $39,579,315.

    13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).